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Syncers are observers which run in BkmxAgent. They watch for certain triggers, such as bookmarks changing in a web browser.
Your settings for Syncers are not kept in the .bmco document. Instead, they are Local Settings.
Smarky and Synkmark use Syncers under the hood to perform their syncing, and you control them in Preferences > Syncing.
Markster does not support syncing nor Syncers.
In BookMacster, you have fine-grained control over Syncers in a document’s Settings > Syncing tab. By default, the Simple Syncers subtab is displayed. This tab is gives enough detail to configure syncers for keeping bookmarks in a single browser sorted, or sync multiple browsers. Users who desire more (or less) may use the Advanced Syncers subtab.
In the Settings > Syncing > Advanced tab of a Collection, you can create customized Syncers.
The conditions which trigger Syncers to spring into action are called, well, Triggers, and the work that they do is defined by a sequence of Commands.
In the Advanced view, note that the Triggers and Commands shown in the two lower tables are those of the Syncer which is selected in the upper table. To add an item, click the nearby button.
The order of Triggers does not make any difference, but of course the order of Command execution is significant. To reorder commands, either drag and drop, or select a command and type ⌘↑ or ⌘↓.
If you would like to temporarily deactivate an Syncer, un-check the box in its Active column. To remove a Syncer permanently, select it and click the button next in the top table in the Settings > Syncing tab.
Triggers are events which cause the Commands of a BookMacster Syncer to execute.
Triggers have a trigger type and an optional detail. For example, the scheduled trigger type is triggered every day or every week at a certain time. Its detail is the scheduled time and days. The available trigger types are explained in subsequent sections on this page.
The necessary trigger(s) are created for you automatically when you check one of the boxes in the Simple tab of Settings > Syncing. To see what trigger(s) were created, or to modify triggers, click the Advanced tab.
If a Syncer has more than one trigger, there is no significance to the order of the triggers.
This trigger will run commands when you log into your Macintosh User Account. Besides being handy for people who like to start their day in sync, this trigger is recommended if your Collection file might be updated while you are logged out. ChronoAgent, for example, can do this, and it is conceivable that other processes could update a .bmco file before macOS has loaded the *Other Mac updates this file” trigger. This trigger has an option; choose one of the following…
only if this .bmco has changed reduces system resource usage by checking document metadata to see if a change has occurred before opening the .bmco document.
every login, always is useful in case you want the commands to run because something may have updated bookmarks in web browsers, that you want to overwrite unconditionally.
The Bookmarks Changed trigger is available only if one of your Import or Export Clients is the Safari, Firefox, or one of the (Google) Chrome bookmarks on your Mac account. The reason is that only these browsers are capable of notificy BookMacster when their bookmarks change. For other locally-installed browser apps, use the Browser Quit trigger (see below) instead. For web-based browser apps (Pinboard, Diigo), this trigger does not function because none of these services push their changes.
This trigger is activated whenever a Online File Syncing Service (or, actually, any other app) updates the Collection file. Note that when setting Commands for such a trigger, it is not necessary to “reload” or “reopen” the Collection, even if it is already open, because Bookmacster does that automatically, presenting the new content. Typically, with this trigger you will only execute one Command, which is to Export – this is the trigger that is set when you activate the Simple Syncer to Export Changes from Other Macs to Clients.
This trigger is activated following each [landing of a new bookmark to BookMacster directly. The export is delayed in case you want to edit the newly-landed bookmark in the Inspector panel. If the Inspector is not displayed when the new bookmark is landed, the export occurs immediately. If the Inspector is being displayed, the export occurs when you close the Inspector panel, or until you do not edit anything for 30 seconds, whichever comes first.
The Browser Quit trigger is only available if one or more of your Import or Export Clients is that of a local browser app with bookmarks on your Mac account. This trigger is actually “as soon as possible” for browsers that do not allow BookMacster or BkmxAgent to edit their bookmarks while they are running. (For Safari, you can get a sooner trigger by using the Bookmarks Changed trigger, see above.)
This trigger allows you to schedule an action to be performed daily or weekly at a specified time. The time must be entered in the right-hand column using the 24-hour clock system.
Commands is a sequence of instructions which BkmxAgent performs when its Syncer is triggered. A command is typically something that you could do manually yourself by clicking an item in the main menu. Often, they have the same name and do the same thing. Some commands are Import, Sort, Export, Save Document, etc.
Note that there is no Open or Open Document command because this is implied. Commands are attributes of a Syncer which are in turn attributes of a particular Collection that must be opened in order for the commands to be performed.
Some commands have a detail associated with them. For example, the Export commands have a detail setting which specifies what to do if the export cannot be executed because a web browser app is running (abort, quit the web browser app, or force quit the web browser app).
The necessary command(s) are created for you automatically when you check one of the boxes in the Simple tab of Settings > *Syncers. To see what command(s) were created, or to modify commands, click the Advanced tab.
In the Advanced view, you can move a command within the sequence by selecting it and typing ⌘↑ or ⌘↓, or by drag and drop.
The Revert command is now superfluous in most cases, because current versions of BookMacster are constantly watching open .bmco files and immediately read in any changes they see. This command is kept for compatibility.
When you select an Import or Export command, the next detail column offers a popup menu in which you select what to do if a web browser which is involved is running, and will not allow BookMacster to read or write its bookmarks as required.
Cancel. The commands (sorting, whatever) will not be performed. The Syncer will try to run the commands again at the next scheduled time.
Quit. The browser will be asked to Quit. Normally, it will quit. But there are many circumstances under which a browser could refuse to quit. One example is if you have set in the browser’s preferences an option to “ask you” if windows or tabs should be closed. It will display a dialog. Another example, unexpected, is if the browser has recently been launched and is displaying a “Update is available, do you want me to install it now” message. Finally, if you start to enter data into a web form, most browsers will display a dialog warning you that the data you have entered will be lost. In any of these cases, if you are not there to dismiss the dialog, the browser will refuse to quit.
Force Quit. In this case the browser will be asked to Quit, and if it refuses, BookMacster will “kill” it without regard to what dialogs are being displayed.
If BookMacster quits or force-quits a browser, it will automatically re-launch the browser for you after it is done. Most browsers nowadays have a preference setting to restore your previous windows and tabs, loading all of the web pages currently being displayed. Thus, with such a preference setting enabled, the Quit option is a good choice if your Syncer is scheduled to run when you are not normally at your computer. When you return, the job will have run and your browser will be displaying the same web pages as it was before the job started.
In order to not slow down your Mac and your internet connection with frivolous processing, Smarky, Synkmark, BookMacster and Online File Syncing Services are designed to coalesce changes and sync lazily. Changes from one Client to another on a local Mac may take up 9 minutes, and changes to Clients on another Mac may take up to 12 minutes to appear. (Usually, those times are only 5 and 8 minutes, but there is an additional wait immediately after the app has synced, which you come into play if you make some changes, the app syncs, and then you make more changes.)
This works fine as long as you only work on one Mac at a time. If you feel you know what you’re doing and want syncing to be faster, you can change the value in Preferences > Syncing > Minutes to wait before importing changes from web browsers. When set to the minimum value of 0-1, syncing should occur within 2 minutes on the local Mac and 5 minutes to your other Macs. The latter time depends greatly on your Online File Syncing Service.
Buried inside the Smarky, Synkmark or BookMacster package is another application named BkmxAgent. When you switch on Syncing, Smarky, Synkmark or BookMacster instruct macOS to launch this app and keep it running in the background. BkmxAgent loads your active Syncers and in turn installs into macOS various notifiers which notify BkmxAgent whenever a triggering event such as a bookmarks change occurs. The relevant Syncer then runs in BkmxAgent to do the work.
If syncing is not performing as you expect, it is sometimes helpful to be alerted when actions occur, or watch what is happening as it happens.
In the application menu click Preferences, then the Syncing tab and finally the Sound Effects… button which will show some checkboxes.
To see BkmxAgent in action, in even more detail, in the application menu click Logs and view the Logs tab. Periodically hit the round Refresh button at the top of Logs and observe the new entries from BkmxAgent.
BkmxAgent operations will fail if you do not have permission to access the required data. For example, when you import or export bookmarks on another Macintosh User Account manually in Smarky, Synkmark or BookMacster, the app requires you to enter an administrator password. However, BkmxAgent does not know the password, so the operation will fail.
Smarky, Synkmark or BookMacster remember the documents in which you have set Syncers. Each time you launch the app, in the background, it runs through each of these and makes sure that they exist, are not in your Trash, and have not been replaced by a Online File Syncing Service update. If any of these tests fail, the app removes any of their Syncers. The same thing happens if BkmxAgent cannot find its document when it tries to run a Syncer.
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